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Open Access Green as soon as Postprint is submitted to ZB.
A comparison of methods to estimate microbial biomass and N-mineralization in agricultural and grassland soils.
Soil Biol. Biochem. 20, 561-565 (1988)
The rate of ammonification of arginine-N, after addition to soil is proposed as a rapid index of soil microbial activity. Correlation between arginine ammonification, biomass C, heat output, soil ATP content and soil protease activity, were assessed on twenty-two agricultural and grassland soils collected from thirteen habitats in Germany and Austria. There were highly significant, positive correlations between all methods (r > 0.9). Close relationships were also found between these methods and total soil organic matter content (r = 0.862-0.957), but not with soil pH or the viable microbial count. Our results show a close relationship between the microbial biomass and N-mineralization in soils, and suggest arginine ammonification as a valid indicator of microbial activity in soil.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
0038-0717
e-ISSN
1879-3428
Journal
Soil Biology & Biochemistry
Quellenangaben
Volume: 20,
Issue: 4,
Pages: 561-565
Publisher
Elsevier
Publishing Place
Amsterdam
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)